From: Christoph Hellwig <hch@lst.de>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org,
linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
iommu@lists.linux-foundation.org, linux-parisc@vger.kernel.org,
xen-devel@lists.xenproject.org, Christoph Hellwig <hch@lst.de>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Robin Murphy <robin.murphy@arm.com>,
Stephen Bates <sbates@raithlin.com>,
Martin Oliveira <martin.oliveira@eideticom.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Niklas Schnelle <schnelle@linux.ibm.com>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Michael Ellerman <mpe@ellerman.id.au>
Subject: Re: [PATCH v1 14/16] x86/amd_gart: return error code from gart_map_sg()
Date: Fri, 16 Jul 2021 08:32:41 +0200 [thread overview]
Message-ID: <20210716063241.GC13345@lst.de> (raw)
In-Reply-To: <20210715164544.6827-15-logang@deltatee.com>
On Thu, Jul 15, 2021 at 10:45:42AM -0600, Logan Gunthorpe wrote:
> @@ -458,7 +460,7 @@ static int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents,
> iommu_full(dev, pages << PAGE_SHIFT, dir);
> for_each_sg(sg, s, nents, i)
> s->dma_address = DMA_MAPPING_ERROR;
> - return 0;
> + return ret;
While we're at it - setting the ->dma_address to DMA_MAPPING_ERROR is
not part of the ->map_sg calling convention. Might be worth to fix
up while we're at it.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org,
"H. Peter Anvin" <hpa@zytor.com>,
sparclinux@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Marek Szyprowski <m.szyprowski@samsung.com>,
linux-s390@vger.kernel.org,
Martin Oliveira <martin.oliveira@eideticom.com>,
Ingo Molnar <mingo@redhat.com>,
xen-devel@lists.xenproject.org,
Niklas Schnelle <schnelle@linux.ibm.com>,
Borislav Petkov <bp@alien8.de>,
Thomas Gleixner <tglx@linutronix.de>,
Stephen Bates <sbates@raithlin.com>,
linux-arm-kernel@lists.infradead.org,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-mips@vger.kernel.org, iommu@lists.linux-foundation.org,
linux-alpha@vger.kernel.org, Robin Murphy <robin.murphy@arm.com>
Subject: Re: [PATCH v1 14/16] x86/amd_gart: return error code from gart_map_sg()
Date: Fri, 16 Jul 2021 08:32:41 +0200 [thread overview]
Message-ID: <20210716063241.GC13345@lst.de> (raw)
In-Reply-To: <20210715164544.6827-15-logang@deltatee.com>
On Thu, Jul 15, 2021 at 10:45:42AM -0600, Logan Gunthorpe wrote:
> @@ -458,7 +460,7 @@ static int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents,
> iommu_full(dev, pages << PAGE_SHIFT, dir);
> for_each_sg(sg, s, nents, i)
> s->dma_address = DMA_MAPPING_ERROR;
> - return 0;
> + return ret;
While we're at it - setting the ->dma_address to DMA_MAPPING_ERROR is
not part of the ->map_sg calling convention. Might be worth to fix
up while we're at it.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org,
"H. Peter Anvin" <hpa@zytor.com>,
sparclinux@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
linux-s390@vger.kernel.org, Michael Ellerman <mpe@ellerman.id.au>,
Martin Oliveira <martin.oliveira@eideticom.com>,
Ingo Molnar <mingo@redhat.com>,
xen-devel@lists.xenproject.org,
Niklas Schnelle <schnelle@linux.ibm.com>,
Borislav Petkov <bp@alien8.de>,
Thomas Gleixner <tglx@linutronix.de>,
Stephen Bates <sbates@raithlin.com>,
linux-arm-kernel@lists.infradead.org,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-mips@vger.kernel.org, iommu@lists.linux-foundation.org,
linux-alpha@vger.kernel.org, Robin Murphy <robin.murphy@arm.com>
Subject: Re: [PATCH v1 14/16] x86/amd_gart: return error code from gart_map_sg()
Date: Fri, 16 Jul 2021 08:32:41 +0200 [thread overview]
Message-ID: <20210716063241.GC13345@lst.de> (raw)
In-Reply-To: <20210715164544.6827-15-logang@deltatee.com>
On Thu, Jul 15, 2021 at 10:45:42AM -0600, Logan Gunthorpe wrote:
> @@ -458,7 +460,7 @@ static int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents,
> iommu_full(dev, pages << PAGE_SHIFT, dir);
> for_each_sg(sg, s, nents, i)
> s->dma_address = DMA_MAPPING_ERROR;
> - return 0;
> + return ret;
While we're at it - setting the ->dma_address to DMA_MAPPING_ERROR is
not part of the ->map_sg calling convention. Might be worth to fix
up while we're at it.
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org,
linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
iommu@lists.linux-foundation.org, linux-parisc@vger.kernel.org,
xen-devel@lists.xenproject.org, Christoph Hellwig <hch@lst.de>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Robin Murphy <robin.murphy@arm.com>,
Stephen Bates <sbates@raithlin.com>,
Martin Oliveira <martin.oliveira@eideticom.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Niklas Schnelle <schnelle@linux.ibm.com>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Michael Ellerman <mpe@ellerman.id.au>
Subject: Re: [PATCH v1 14/16] x86/amd_gart: return error code from gart_map_sg()
Date: Fri, 16 Jul 2021 08:32:41 +0200 [thread overview]
Message-ID: <20210716063241.GC13345@lst.de> (raw)
In-Reply-To: <20210715164544.6827-15-logang@deltatee.com>
On Thu, Jul 15, 2021 at 10:45:42AM -0600, Logan Gunthorpe wrote:
> @@ -458,7 +460,7 @@ static int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents,
> iommu_full(dev, pages << PAGE_SHIFT, dir);
> for_each_sg(sg, s, nents, i)
> s->dma_address = DMA_MAPPING_ERROR;
> - return 0;
> + return ret;
While we're at it - setting the ->dma_address to DMA_MAPPING_ERROR is
not part of the ->map_sg calling convention. Might be worth to fix
up while we're at it.
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org,
linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
iommu@lists.linux-foundation.org, linux-parisc@vger.kernel.org,
xen-devel@lists.xenproject.org, Christoph Hellwig <hch@lst.de>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Robin Murphy <robin.murphy@arm.com>,
Stephen Bates <sbates@raithlin.com>,
Martin Oliveira <martin.oliveira@eideticom.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Niklas Schnelle <schnelle@linux.ibm.com>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Michael Ellerman <mpe@ellerman.id.au>
Subject: Re: [PATCH v1 14/16] x86/amd_gart: return error code from gart_map_sg()
Date: Fri, 16 Jul 2021 06:32:41 +0000 [thread overview]
Message-ID: <20210716063241.GC13345@lst.de> (raw)
In-Reply-To: <20210715164544.6827-15-logang@deltatee.com>
On Thu, Jul 15, 2021 at 10:45:42AM -0600, Logan Gunthorpe wrote:
> @@ -458,7 +460,7 @@ static int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents,
> iommu_full(dev, pages << PAGE_SHIFT, dir);
> for_each_sg(sg, s, nents, i)
> s->dma_address = DMA_MAPPING_ERROR;
> - return 0;
> + return ret;
While we're at it - setting the ->dma_address to DMA_MAPPING_ERROR is
not part of the ->map_sg calling convention. Might be worth to fix
up while we're at it.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org,
linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
iommu@lists.linux-foundation.org, linux-parisc@vger.kernel.org,
xen-devel@lists.xenproject.org, Christoph Hellwig <hch@lst.de>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Robin Murphy <robin.murphy@arm.com>,
Stephen Bates <sbates@raithlin.com>,
Martin Oliveira <martin.oliveira@eideticom.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Niklas Schnelle <schnelle@linux.ibm.com>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Michael
Subject: Re: [PATCH v1 14/16] x86/amd_gart: return error code from gart_map_sg()
Date: Fri, 16 Jul 2021 08:32:41 +0200 [thread overview]
Message-ID: <20210716063241.GC13345@lst.de> (raw)
In-Reply-To: <20210715164544.6827-15-logang@deltatee.com>
On Thu, Jul 15, 2021 at 10:45:42AM -0600, Logan Gunthorpe wrote:
> @@ -458,7 +460,7 @@ static int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents,
> iommu_full(dev, pages << PAGE_SHIFT, dir);
> for_each_sg(sg, s, nents, i)
> s->dma_address = DMA_MAPPING_ERROR;
> - return 0;
> + return ret;
While we're at it - setting the ->dma_address to DMA_MAPPING_ERROR is
not part of the ->map_sg calling convention. Might be worth to fix
up while we're at it.
next prev parent reply other threads:[~2021-07-16 6:32 UTC|newest]
Thread overview: 143+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-15 16:45 [PATCH v1 00/16] .map_sg() error cleanup Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` [PATCH v1 01/16] dma-mapping: Allow map_sg() ops to return negative error codes Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-16 6:29 ` Christoph Hellwig
2021-07-16 6:29 ` Christoph Hellwig
2021-07-16 6:29 ` Christoph Hellwig
2021-07-16 6:29 ` Christoph Hellwig
2021-07-16 6:29 ` Christoph Hellwig
2021-07-15 16:45 ` [PATCH v1 02/16] dma-direct: Return appropriate error code from dma_direct_map_sg() Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` [PATCH v1 03/16] iommu: Return full error code from iommu_map_sg[_atomic]() Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` [PATCH v1 04/16] dma-iommu: Return error code from iommu_dma_map_sg() Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-16 6:31 ` Christoph Hellwig
2021-07-16 6:31 ` Christoph Hellwig
2021-07-16 6:31 ` Christoph Hellwig
2021-07-16 6:31 ` Christoph Hellwig
2021-07-16 6:31 ` Christoph Hellwig
2021-07-15 16:45 ` [PATCH v1 05/16] alpha: return error code from alpha_pci_map_sg() Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` [PATCH v1 06/16] ARM/dma-mapping: return error code from .map_sg() ops Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` [PATCH v1 07/16] ia64/sba_iommu: return error code from sba_map_sg_attrs() Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` [PATCH v1 08/16] MIPS/jazzdma: return error code from jazz_dma_map_sg() Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` [PATCH v1 09/16] powerpc/iommu: return error code from .map_sg() ops Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` [PATCH v1 10/16] s390/pci: return error code from s390_dma_map_sg() Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-16 8:24 ` Niklas Schnelle
2021-07-16 8:24 ` Niklas Schnelle
2021-07-16 8:24 ` Niklas Schnelle
2021-07-16 8:24 ` Niklas Schnelle
2021-07-16 8:24 ` Niklas Schnelle
2021-07-15 16:45 ` [PATCH v1 11/16] sparc/iommu: return error codes from .map_sg() ops Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` [PATCH v1 12/16] parisc: return error code " Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` [PATCH v1 13/16] xen: swiotlb: return error code from xen_swiotlb_map_sg() Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-19 20:22 ` Boris Ostrovsky
2021-07-19 20:22 ` Boris Ostrovsky
2021-07-19 20:22 ` Boris Ostrovsky
2021-07-19 20:22 ` Boris Ostrovsky
2021-07-19 20:22 ` Boris Ostrovsky
2021-07-19 20:22 ` Boris Ostrovsky
2021-07-15 16:45 ` [PATCH v1 14/16] x86/amd_gart: return error code from gart_map_sg() Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-16 6:32 ` Christoph Hellwig [this message]
2021-07-16 6:32 ` Christoph Hellwig
2021-07-16 6:32 ` Christoph Hellwig
2021-07-16 6:32 ` Christoph Hellwig
2021-07-16 6:32 ` Christoph Hellwig
2021-07-16 6:32 ` Christoph Hellwig
2021-07-16 12:11 ` Robin Murphy
2021-07-16 12:11 ` Robin Murphy
2021-07-16 12:11 ` Robin Murphy
2021-07-16 12:11 ` Robin Murphy
2021-07-16 12:11 ` Robin Murphy
2021-07-15 16:45 ` [PATCH v1 15/16] dma-mapping: return error code from dma_dummy_map_sg() Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` [PATCH v1 16/16] dma-mapping: Disallow .map_sg operations from returning zero on error Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-15 16:45 ` Logan Gunthorpe
2021-07-16 6:33 ` Christoph Hellwig
2021-07-16 6:33 ` Christoph Hellwig
2021-07-16 6:33 ` Christoph Hellwig
2021-07-16 6:33 ` Christoph Hellwig
2021-07-16 6:33 ` Christoph Hellwig
2021-07-16 12:19 ` Robin Murphy
2021-07-16 12:19 ` Robin Murphy
2021-07-16 12:19 ` Robin Murphy
2021-07-16 12:19 ` Robin Murphy
2021-07-16 12:19 ` Robin Murphy
2021-07-16 16:17 ` Logan Gunthorpe
2021-07-16 16:17 ` Logan Gunthorpe
2021-07-16 16:17 ` Logan Gunthorpe
2021-07-16 16:17 ` Logan Gunthorpe
2021-07-16 16:17 ` Logan Gunthorpe
2021-07-16 16:17 ` Logan Gunthorpe
2021-07-15 16:53 ` [PATCH v1 00/16] .map_sg() error cleanup Russell King (Oracle)
2021-07-15 16:53 ` Russell King (Oracle)
2021-07-15 16:53 ` Russell King (Oracle)
2021-07-15 16:53 ` Russell King (Oracle)
2021-07-15 16:53 ` Russell King (Oracle)
2021-07-15 16:56 ` Logan Gunthorpe
2021-07-15 16:56 ` Logan Gunthorpe
2021-07-15 16:56 ` Logan Gunthorpe
2021-07-15 16:56 ` Logan Gunthorpe
2021-07-15 16:56 ` Logan Gunthorpe
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